CVE-2025-2912: Hdfgroup HDF5

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

A vulnerability was found in HDF5 up to 1.14.6. It has been declared as problematic. Affected by this vulnerability is the function H5O_msg_flush of the file src/H5Omessage.c. The manipulation of the argument oh leads to heap-based buffer overflow. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.

Affected products

• Hdfgroup HDF5: before 2.0.0 (fixed in 2.0.0)

Published 2025-03-28. Last modified 2026-06-17.